moodle/search/classes/external/get_top_results.php

132 lines
4.2 KiB
PHP

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
namespace core_search\external;
use core_external\external_api;
use core_external\external_function_parameters;
use core_external\external_single_structure;
use core_external\external_multiple_structure;
use moodle_exception;
/**
* External function for retrieving top search results.
*
* @package core_search
* @copyright 2023 Juan Leyva <juan@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
* @since Moodle 4.3
*/
class get_top_results extends external_api {
/**
* Webservice parameters.
*
* @return external_function_parameters
*/
public static function execute_parameters(): external_function_parameters {
$baseparameters = get_results::execute_parameters();
return new external_function_parameters(
[
'query' => $baseparameters->keys['query'],
'filters' => $baseparameters->keys['filters'],
]
);
}
/**
* Gets top search results based on the provided query and filters.
*
* @param string $query the search query
* @param array $filters filters to apply
* @return array search results
*/
public static function execute(string $query, array $filters = []): array {
global $PAGE;
$params = self::validate_parameters(self::execute_parameters(),
[
'query' => $query,
'filters' => $filters,
]
);
$system = \context_system::instance();
external_api::validate_context($system);
require_capability('moodle/search:query', $system);
if (\core_search\manager::is_global_search_enabled() === false) {
throw new moodle_exception('globalsearchdisabled', 'search');
}
$search = \core_search\manager::instance();
$data = new \stdClass();
// First, mandatory parameters for consistency with web.
$data->q = $params['query'];
$data->title = $params['filters']['title'] ?? '';
$data->timestart = $params['filters']['timestart'] ?? 0;
$data->timeend = $params['filters']['timeend'] ?? 0;
$data->areaids = $params['filters']['areaids'] ?? [];
$data->courseids = $params['filters']['courseids'] ?? [];
$data->contextids = $params['filters']['contextids'] ?? [];
$data->userids = $params['filters']['userids'] ?? [];
$data->groupids = $params['filters']['groupids'] ?? [];
$cat = $params['filters']['cat'] ?? '';
if (\core_search\manager::is_search_area_categories_enabled()) {
$cat = \core_search\manager::get_search_area_category_by_name($cat);
}
if ($cat instanceof \core_search\area_category) {
$data->cat = $cat->get_name();
}
$docs = $search->search_top($data);
$return = [
'warnings' => [],
'results' => []
];
// Convert results to simple data structures.
if ($docs) {
foreach ($docs as $doc) {
$return['results'][] = $doc->export_doc($PAGE->get_renderer('core'));
}
}
return $return;
}
/**
* Webservice returns.
*
* @return external_single_structure
*/
public static function execute_returns(): external_single_structure {
return new external_single_structure(
[
'results' => new external_multiple_structure(
\core_search\external\document_exporter::get_read_structure()
),
]
);
}
}